$ sudo apt-get remove lisaac 

Uninstall lisaac including dependent package

If you would like to remove lisaac and it's dependent packages which are no longer needed from Ubuntu,

$ sudo apt-get remove --auto-remove lisaac 

Use Purging lisaac

If you use with purge options to lisaac package all the configuration and dependent packages will be removed.

$ sudo apt-get purge lisaac 

If you use purge options along with auto remove, will be removed everything regarding the package, It's really useful when you want to reinstall again.

$ sudo apt-get purge --auto-remove lisaac 

See Also,